CN105113947B - A kind of enhancing steel pipe closed guard gate - Google Patents
A kind of enhancing steel pipe closed guard gate Download PDFInfo
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- CN105113947B CN105113947B CN201510517712.5A CN201510517712A CN105113947B CN 105113947 B CN105113947 B CN 105113947B CN 201510517712 A CN201510517712 A CN 201510517712A CN 105113947 B CN105113947 B CN 105113947B
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
- E06B2003/7028—Door leaves characterised by the filling between two external panels of cementituous type, e.g. concrete
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- Inorganic Chemistry (AREA)
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
A kind of enhancing steel pipe closed guard gate, the steel plate that described door includes outside and the organic coating being coated on steel plate outer surface and the concrete slab being wrapped in steel plate, described concrete slab includes the enhancing rectangular steel pipe of concrete and inside concrete, internal rectangular steel pipe of filling can improve concrete slab intensity, the Quality advance heat preservation and soundproof performance of door can be alleviated, 3) steel pipe selects iron that load bearing stength needs can be effectively ensured, and contacts corrosion resistance with concrete good.
Description
Technical field
The present invention relates to a kind of enhancing steel pipe closed guard gate, belongs to an industry and manufactures a field.
Background technology
Having for safety of coal mines chamber, national defence, people's air defense etc. and take precautions against the engineering that extraneous security risk requires, its structure typically has safe and airtight requirement of shelter.The weak part of closed protective, is to ensure that the important barrier together of safety engineering inner space safety, and therefore the protection airtight safety door of compartmented security engineering interior or exterior space is to ensure that the critical facility of engineering safety.Owing to the concrete of reinforcing bar caliper portion does not consider its bearing capacity, so door body " thick big heavy ", installation inconvenience；Secondly because thickness of protection tier is less, under temperature stress effect, the most easily there is crack in concrete surface, and structural strength and durability even air-tightness to reinforced concrete structure safety door constitute a threat to.
Summary of the invention
A kind of enhancing steel pipe closed guard gate, the steel plate that described door includes outside and the organic coating being coated on steel plate outer surface and the concrete slab being wrapped in steel plate, described concrete slab includes the enhancing rectangular steel pipe of concrete and inside concrete,
Rectangular steel pipe chemical element consists of (percentage by weight): C:0.1-0.2, Al:5-6, Sn:2-3, V:1-2, Cr: 0.7-0.8, W:0.5-0.6, Ni:0.3-0.4, Zn:0.2-0.3, Zr:0.08-0.09, Ta:0.08-0.09, Mg:0.05-0.06, In:0.03-0.04, Cu:0.02-0.03, La:0.01-0.02, surplus is Fe and inevitable impurity；
The preparation method of rectangular steel pipe: comprise the following steps: according to the elementary composition dispensing of above-mentioned rectangular steel pipe, first pure iron is joined in smelting furnace, Control for Kiln Temperature is at 1440 DEG C, after pure iron melts, furnace temperature is increased to 1450 DEG C and adds ferro-aluminum intermediate alloys, after furnace temperature be increased to 1460 DEG C add stannum ferrum intermediate alloys；After furnace temperature be increased to 1470 DEG C add vanadium iron intermediate alloys；After furnace temperature be increased to 1480 DEG C add other alloying elements, rear furnace temperature is reduced to 1450 DEG C, adding refine cleanser, refine cleanser addition is the 0.4% of furnace charge amount, stirs 5 minutes, stand 10 minutes, treat that slag separates with molten metal, skim, add coverture afterwards, again skim after standing 20 minutes, afterwards above-mentioned molten metal is poured into a mould；Pouring temperature is 1420 DEG C；The ingot casting obtained carries out heat treatment: first carry out being heated to 1105 DEG C by ingot casting, heating rate 50 DEG C/h, is incubated 4 hours, carrying out Quenching Treatment afterwards, hardening media is water, after quenching, from room temperature, ingot casting is heated to 560 DEG C, heating rate 40 DEG C/h, is incubated 3 hours, after be cooled to 370 DEG C, rate of temperature fall 60 DEG C/h, is incubated 4 hours, after be again cooled to 260 DEG C, rate of temperature fall 70 DEG C/h, being incubated 2 hours, rear air cooling is to room temperature
The ingot casting of gained is heated to 1010-1120 DEG C, Extrusion Porthole Die for Aluminium Profiles tool carries out hot extrusion and prepares original pipe,
The original pipe of gained carries out multistage annealing, is first warming up to 420 DEG C, heating rate 40 DEG C/h, is incubated 4 hours, after be warming up to 540 DEG C, heating rate 30 DEG C/h, be incubated 2 hours, after be again warming up to 760 DEG C, be incubated 2 hours, rear air cooling to room temperature,
Original pipe after annealing carries out cold rolling, obtains pipe idiosome,
By rectangle, pipe idiosome being corrected mould and plug cooperation obtains rectangular steel pipe through five drawings, the drawing temperature of drawing for the first time is 850 DEG C, and drawing speed is 6 mm/second；The drawing temperature of drawing for the second time is 820 DEG C, and drawing speed is 8 mm/second；The drawing temperature of drawing for the third time is 800 DEG C, and drawing speed is 10 mm/second；The drawing temperature of the 4th drawing is 780 DEG C, and drawing speed is 12 mm/second, and the drawing temperature of the 5th drawing is 750 DEG C, and drawing speed is 6 mm/second, obtains final rectangular steel pipe,
The preparation method of concrete is: weigh raw material (weight portion): cement 400-500 part, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, sand 650-700 part, stone 1100-1200 part, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part；
By Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, calcine after pyrite 2 parts mixing, calcination process: be first heated to 400 DEG C, calcine 3 hours, it is warming up to 550 DEG C afterwards, calcines 4 hours, be again warming up to 650 DEG C, calcine 2 hours, be again warming up to 800 DEG C, calcine 5 hours, furnace cooling afterwards, carries out grinding in flour mill by mixture after calcining, and rotating speed is 80r/min, grinding 3 hours, grinding compound particles granularity size is 0.4mm
Cement, grinding mixture and 200ml water are put into concrete mixer stir 10 minutes, add sand, stone and remaining water and continue stirring 3 minutes, afterwards by steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part addition, obtain concrete after stirring.
Organic coating includes: epoxy modified silicone resin 50-60 part, sodium silicate 10-20 part, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts.
Described a kind of enhancing steel pipe closed guard gate, rectangular steel pipe chemical element consists of (percentage by weight): C:0.1, Al:5, Sn:2, V:1, Cr: 0.7, W:0.5, Ni:0.3, Zn:0.2, Zr:0.08, Ta:0.08, Mg:0.05, In:0.03, Cu:0.02, La:0.01, surplus is Fe and inevitable impurity.
Described a kind of enhancing steel pipe closed guard gate, rectangular steel pipe chemical element consists of (percentage by weight): C:0.1-0.2, Al:5.5, Sn:2.5, V:1.5, Cr: 0.75, W:0.55, Ni:0.35, Zn:0.25, Zr:0.085, Ta:0.085, Mg:0.055, In:0.035, Cu:0.025, La:0.015, surplus is Fe and inevitable impurity.
Described a kind of enhancing steel pipe closed guard gate, rectangular steel pipe chemical element consists of (percentage by weight): C:0.2, Al:6, Sn:3, V:2, Cr: 0.8, W:0.6, Ni:0.4, Zn:0.3, Zr:0.09, Ta:0.09, Mg:0.06, In:0.04, Cu:0.03, La:0.02, surplus is Fe and inevitable impurity.
Described a kind of strengthen steel pipe closed guard gate, weigh raw material (weight portion): cement 400 parts, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, 650 parts of sand, 1100 parts of stone, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part.
Described a kind of strengthen steel pipe closed guard gate, weigh raw material (weight portion): cement 500 parts, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, 700 parts of sand, 1200 parts of stone, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part.
Described a kind of strengthen steel pipe closed guard gate, weigh raw material (weight portion): cement 450 parts, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, 680 parts of sand, 1150 parts of stone, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part.
Described a kind of enhancing steel pipe closed guard gate, organic coating includes: epoxy modified silicone resin 50 parts, sodium silicate 10 parts, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts.
Described a kind of enhancing steel pipe closed guard gate, organic coating includes: epoxy modified silicone resin 60 parts, sodium silicate 20 parts, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts.
Described a kind of enhancing steel pipe closed guard gate, organic coating includes: epoxy modified silicone resin 55 parts, sodium silicate 15 parts, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts.
A kind of manufacture method strengthening steel pipe closed guard gate, the steel plate that described door includes outside and the organic coating being coated on steel plate outer surface and the concrete slab being wrapped in steel plate, described concrete slab includes the enhancing rectangular steel pipe of concrete and inside concrete,
Rectangular steel pipe chemical element consists of (percentage by weight): C:0.1-0.2, Al:5-6, Sn:2-3, V:1-2, Cr: 0.7-0.8, W:0.5-0.6, Ni:0.3-0.4, Zn:0.2-0.3, Zr:0.08-0.09, Ta:0.08-0.09, Mg:0.05-0.06, In:0.03-0.04, Cu:0.02-0.03, La:0.01-0.02, surplus is Fe and inevitable impurity；
The preparation method of rectangular steel pipe: comprise the following steps: according to the elementary composition dispensing of above-mentioned rectangular steel pipe, first pure iron is joined in smelting furnace, Control for Kiln Temperature is at 1440 DEG C, after pure iron melts, furnace temperature is increased to 1450 DEG C and adds ferro-aluminum intermediate alloys, after furnace temperature be increased to 1460 DEG C add stannum ferrum intermediate alloys；After furnace temperature be increased to 1470 DEG C add vanadium iron intermediate alloys；After furnace temperature be increased to 1480 DEG C add other alloying elements, rear furnace temperature is reduced to 1450 DEG C, adding refine cleanser, refine cleanser addition is the 0.4% of furnace charge amount, stirs 5 minutes, stand 10 minutes, treat that slag separates with molten metal, skim, add coverture afterwards, again skim after standing 20 minutes, afterwards above-mentioned molten metal is poured into a mould；Pouring temperature is 1420 DEG C；The ingot casting obtained carries out heat treatment: first carry out being heated to 1105 DEG C by ingot casting, heating rate 50 DEG C/h, is incubated 4 hours, carrying out Quenching Treatment afterwards, hardening media is water, after quenching, from room temperature, ingot casting is heated to 560 DEG C, heating rate 40 DEG C/h, is incubated 3 hours, after be cooled to 370 DEG C, rate of temperature fall 60 DEG C/h, is incubated 4 hours, after be again cooled to 260 DEG C, rate of temperature fall 70 DEG C/h, being incubated 2 hours, rear air cooling is to room temperature
The ingot casting of gained is heated to 1010-1120 DEG C, Extrusion Porthole Die for Aluminium Profiles tool carries out hot extrusion and prepares original pipe,
The original pipe of gained carries out multistage annealing, is first warming up to 420 DEG C, heating rate 40 DEG C/h, is incubated 4 hours, after be warming up to 540 DEG C, heating rate 30 DEG C/h, be incubated 2 hours, after be again warming up to 760 DEG C, be incubated 2 hours, rear air cooling to room temperature,
Original pipe after annealing carries out cold rolling, obtains pipe idiosome,
By rectangle, pipe idiosome being corrected mould and plug cooperation obtains rectangular steel pipe through five drawings, the drawing temperature of drawing for the first time is 850 DEG C, and drawing speed is 6 mm/second；The drawing temperature of drawing for the second time is 820 DEG C, and drawing speed is 8 mm/second；The drawing temperature of drawing for the third time is 800 DEG C, and drawing speed is 10 mm/second；The drawing temperature of the 4th drawing is 780 DEG C, and drawing speed is 12 mm/second, and the drawing temperature of the 5th drawing is 750 DEG C, and drawing speed is 6 mm/second, obtains final rectangular steel pipe,
The preparation method of concrete is: weigh raw material (weight portion): cement 400-500 part, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, sand 650-700 part, stone 1100-1200 part, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part；
By Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, calcine after pyrite 2 parts mixing, calcination process: be first heated to 400 DEG C, calcine 3 hours, it is warming up to 550 DEG C afterwards, calcines 4 hours, be again warming up to 650 DEG C, calcine 2 hours, be again warming up to 800 DEG C, calcine 5 hours, furnace cooling afterwards, carries out grinding in flour mill by mixture after calcining, and rotating speed is 80r/min, grinding 3 hours, grinding compound particles granularity size is 0.4mm
Cement, grinding mixture and 200ml water are put into concrete mixer stir 10 minutes, add sand, stone and remaining water and continue stirring 3 minutes, afterwards by steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part addition, obtain concrete after stirring.
Organic coating includes: epoxy modified silicone resin 50-60 part, sodium silicate 10-20 part, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts
Steel pipe is positioned over concrete in slab mould to carry out casting mold with pouring type and obtains slab, slab outer wrap steel plate, steel plate outer surface organic coating.
Foregoing invention content having the beneficial effects that relative to prior art: 1) steel plate that encloses outdoors of people's air defense of the present invention can more preferably ensure the load bearing effect of product；2) internal rectangular steel pipe of filling can improve concrete slab intensity, can alleviate the Quality advance heat preservation and soundproof performance of door, 3) steel pipe selects iron that load bearing stength needs can be effectively ensured, and contacts corrosion resistance with concrete good；4) concrete material of the present invention selects multiple batch mixing composition comprcssive strength to reach: 7d:29MPa
；28d:50MPa；5) organic coating ensures the outside weatherability of steel plate.
Accompanying drawing explanation
Fig. 1 is closed guard gate's schematic cross-section；
Fig. 2 is closed guard gate's overall schematic.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, now describe the detailed description of the invention of the present invention in detail.
A kind of enhancing steel pipe closed guard gate 5 as depicted in figs. 1 and 2, described door includes the steel plate 1 of outside and is coated on the organic coating 4 of steel plate outer surface and the concrete slab being wrapped in steel plate, and described concrete slab includes the enhancing rectangular steel pipe 2 of concrete 3 and inside concrete.
Embodiment 1
A kind of enhancing steel pipe closed guard gate, the steel plate that described door includes outside and the organic coating being coated on steel plate outer surface and the concrete slab being wrapped in steel plate, described concrete slab includes the enhancing rectangular steel pipe of concrete and inside concrete,
Rectangular steel pipe chemical element consists of (percentage by weight): C:0.1, Al:5, Sn:2, V:1, Cr: 0.7, W:0.5, Ni:0.3, Zn:0.2, Zr:0.08, Ta:0.08, Mg:0.05, In:0.03, Cu:0.02, La:0.01, surplus is Fe and inevitable impurity；
The preparation method of rectangular steel pipe: comprise the following steps: according to the elementary composition dispensing of above-mentioned rectangular steel pipe, first pure iron is joined in smelting furnace, Control for Kiln Temperature is at 1440 DEG C, after pure iron melts, furnace temperature is increased to 1450 DEG C and adds ferro-aluminum intermediate alloys, after furnace temperature be increased to 1460 DEG C add stannum ferrum intermediate alloys；After furnace temperature be increased to 1470 DEG C add vanadium iron intermediate alloys；After furnace temperature be increased to 1480 DEG C add other alloying elements, rear furnace temperature is reduced to 1450 DEG C, adding refine cleanser, refine cleanser addition is the 0.4% of furnace charge amount, stirs 5 minutes, stand 10 minutes, treat that slag separates with molten metal, skim, add coverture afterwards, again skim after standing 20 minutes, afterwards above-mentioned molten metal is poured into a mould；Pouring temperature is 1420 DEG C；The ingot casting obtained carries out heat treatment: first carry out being heated to 1105 DEG C by ingot casting, heating rate 50 DEG C/h, is incubated 4 hours, carrying out Quenching Treatment afterwards, hardening media is water, after quenching, from room temperature, ingot casting is heated to 560 DEG C, heating rate 40 DEG C/h, is incubated 3 hours, after be cooled to 370 DEG C, rate of temperature fall 60 DEG C/h, is incubated 4 hours, after be again cooled to 260 DEG C, rate of temperature fall 70 DEG C/h, being incubated 2 hours, rear air cooling is to room temperature
The ingot casting of gained is heated to 1010 DEG C, Extrusion Porthole Die for Aluminium Profiles tool carries out hot extrusion and prepares original pipe,
The original pipe of gained carries out multistage annealing, is first warming up to 420 DEG C, heating rate 40 DEG C/h, is incubated 4 hours, after be warming up to 540 DEG C, heating rate 30 DEG C/h, be incubated 2 hours, after be again warming up to 760 DEG C, be incubated 2 hours, rear air cooling to room temperature,
Original pipe after annealing carries out cold rolling, obtains pipe idiosome,
By rectangle, pipe idiosome being corrected mould and plug cooperation obtains rectangular steel pipe through five drawings, the drawing temperature of drawing for the first time is 850 DEG C, and drawing speed is 6 mm/second；The drawing temperature of drawing for the second time is 820 DEG C, and drawing speed is 8 mm/second；The drawing temperature of drawing for the third time is 800 DEG C, and drawing speed is 10 mm/second；The drawing temperature of the 4th drawing is 780 DEG C, and drawing speed is 12 mm/second, and the drawing temperature of the 5th drawing is 750 DEG C, and drawing speed is 6 mm/second, obtains final rectangular steel pipe,
The preparation method of concrete is: weigh raw material (weight portion): cement 400 parts, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, 650 parts of sand, 1100 parts of stone, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part；
By Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, calcine after pyrite 2 parts mixing, calcination process: be first heated to 400 DEG C, calcine 3 hours, it is warming up to 550 DEG C afterwards, calcines 4 hours, be again warming up to 650 DEG C, calcine 2 hours, be again warming up to 800 DEG C, calcine 5 hours, furnace cooling afterwards, carries out grinding in flour mill by mixture after calcining, and rotating speed is 80r/min, grinding 3 hours, grinding compound particles granularity size is 0.4mm
Cement, grinding mixture and 200ml water are put into concrete mixer stir 10 minutes, add sand, stone and remaining water and continue stirring 3 minutes, afterwards by steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part addition, obtain concrete after stirring.
Organic coating includes: epoxy modified silicone resin 50 parts, sodium silicate 10 parts, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts.
Embodiment 2
A kind of enhancing steel pipe closed guard gate, the steel plate that described door includes outside and the organic coating being coated on steel plate outer surface and the concrete slab being wrapped in steel plate, described concrete slab includes the enhancing rectangular steel pipe of concrete and inside concrete,
Rectangular steel pipe chemical element consists of (percentage by weight): C:0.2, Al:6, Sn:3, V:2, Cr: 0.8, W:0.6, Ni:0.4, Zn:0.3, Zr:0.09, Ta:0.09, Mg:0.06, In:0.04, Cu:0.03, La:0.02, surplus is Fe and inevitable impurity；
The preparation method of rectangular steel pipe: comprise the following steps: according to the elementary composition dispensing of above-mentioned rectangular steel pipe, first pure iron is joined in smelting furnace, Control for Kiln Temperature is at 1440 DEG C, after pure iron melts, furnace temperature is increased to 1450 DEG C and adds ferro-aluminum intermediate alloys, after furnace temperature be increased to 1460 DEG C add stannum ferrum intermediate alloys；After furnace temperature be increased to 1470 DEG C add vanadium iron intermediate alloys；After furnace temperature be increased to 1480 DEG C add other alloying elements, rear furnace temperature is reduced to 1450 DEG C, adding refine cleanser, refine cleanser addition is the 0.4% of furnace charge amount, stirs 5 minutes, stand 10 minutes, treat that slag separates with molten metal, skim, add coverture afterwards, again skim after standing 20 minutes, afterwards above-mentioned molten metal is poured into a mould；Pouring temperature is 1420 DEG C；The ingot casting obtained carries out heat treatment: first carry out being heated to 1105 DEG C by ingot casting, heating rate 50 DEG C/h, is incubated 4 hours, carrying out Quenching Treatment afterwards, hardening media is water, after quenching, from room temperature, ingot casting is heated to 560 DEG C, heating rate 40 DEG C/h, is incubated 3 hours, after be cooled to 370 DEG C, rate of temperature fall 60 DEG C/h, is incubated 4 hours, after be again cooled to 260 DEG C, rate of temperature fall 70 DEG C/h, being incubated 2 hours, rear air cooling is to room temperature
The ingot casting of gained is heated to 1120 DEG C, Extrusion Porthole Die for Aluminium Profiles tool carries out hot extrusion and prepares original pipe,
The original pipe of gained carries out multistage annealing, is first warming up to 420 DEG C, heating rate 40 DEG C/h, is incubated 4 hours, after be warming up to 540 DEG C, heating rate 30 DEG C/h, be incubated 2 hours, after be again warming up to 760 DEG C, be incubated 2 hours, rear air cooling to room temperature,
Original pipe after annealing carries out cold rolling, obtains pipe idiosome,
By rectangle, pipe idiosome being corrected mould and plug cooperation obtains rectangular steel pipe through five drawings, the drawing temperature of drawing for the first time is 850 DEG C, and drawing speed is 6 mm/second；The drawing temperature of drawing for the second time is 820 DEG C, and drawing speed is 8 mm/second；The drawing temperature of drawing for the third time is 800 DEG C, and drawing speed is 10 mm/second；The drawing temperature of the 4th drawing is 780 DEG C, and drawing speed is 12 mm/second, and the drawing temperature of the 5th drawing is 750 DEG C, and drawing speed is 6 mm/second, obtains final rectangular steel pipe,
The preparation method of concrete is: weigh raw material (weight portion): cement 500 parts, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, 700 parts of sand, 1200 parts of stone, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part；
By Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, calcine after pyrite 2 parts mixing, calcination process: be first heated to 400 DEG C, calcine 3 hours, it is warming up to 550 DEG C afterwards, calcines 4 hours, be again warming up to 650 DEG C, calcine 2 hours, be again warming up to 800 DEG C, calcine 5 hours, furnace cooling afterwards, carries out grinding in flour mill by mixture after calcining, and rotating speed is 80r/min, grinding 3 hours, grinding compound particles granularity size is 0.4mm
Cement, grinding mixture and 200ml water are put into concrete mixer stir 10 minutes, add sand, stone and remaining water and continue stirring 3 minutes, afterwards by steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part addition, obtain concrete after stirring.
Organic coating includes: epoxy modified silicone resin 60 parts, sodium silicate 20 parts, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts.
Embodiment 3
A kind of enhancing steel pipe closed guard gate, the steel plate that described door includes outside and the organic coating being coated on steel plate outer surface and the concrete slab being wrapped in steel plate, described concrete slab includes the enhancing rectangular steel pipe of concrete and inside concrete,
Rectangular steel pipe chemical element consists of (percentage by weight): C:0.15, Al:5.5, Sn:2.5, V:1.5, Cr: 0.75, W:0.55, Ni:0.35, Zn:0.25, Zr:0.085, Ta:0.085, Mg:0.055, In:0.035, Cu:0.025, La:0.015, surplus is Fe and inevitable impurity；
The preparation method of rectangular steel pipe: comprise the following steps: according to the elementary composition dispensing of above-mentioned rectangular steel pipe, first pure iron is joined in smelting furnace, Control for Kiln Temperature is at 1440 DEG C, after pure iron melts, furnace temperature is increased to 1450 DEG C and adds ferro-aluminum intermediate alloys, after furnace temperature be increased to 1460 DEG C add stannum ferrum intermediate alloys；After furnace temperature be increased to 1470 DEG C add vanadium iron intermediate alloys；After furnace temperature be increased to 1480 DEG C add other alloying elements, rear furnace temperature is reduced to 1450 DEG C, adding refine cleanser, refine cleanser addition is the 0.4% of furnace charge amount, stirs 5 minutes, stand 10 minutes, treat that slag separates with molten metal, skim, add coverture afterwards, again skim after standing 20 minutes, afterwards above-mentioned molten metal is poured into a mould；Pouring temperature is 1420 DEG C；The ingot casting obtained carries out heat treatment: first carry out being heated to 1105 DEG C by ingot casting, heating rate 50 DEG C/h, is incubated 4 hours, carrying out Quenching Treatment afterwards, hardening media is water, after quenching, from room temperature, ingot casting is heated to 560 DEG C, heating rate 40 DEG C/h, is incubated 3 hours, after be cooled to 370 DEG C, rate of temperature fall 60 DEG C/h, is incubated 4 hours, after be again cooled to 260 DEG C, rate of temperature fall 70 DEG C/h, being incubated 2 hours, rear air cooling is to room temperature
The ingot casting of gained is heated to 1015 DEG C, Extrusion Porthole Die for Aluminium Profiles tool carries out hot extrusion and prepares original pipe,
The original pipe of gained carries out multistage annealing, is first warming up to 420 DEG C, heating rate 40 DEG C/h, is incubated 4 hours, after be warming up to 540 DEG C, heating rate 30 DEG C/h, be incubated 2 hours, after be again warming up to 760 DEG C, be incubated 2 hours, rear air cooling to room temperature,
Original pipe after annealing carries out cold rolling, obtains pipe idiosome,
By rectangle, pipe idiosome being corrected mould and plug cooperation obtains rectangular steel pipe through five drawings, the drawing temperature of drawing for the first time is 850 DEG C, and drawing speed is 6 mm/second；The drawing temperature of drawing for the second time is 820 DEG C, and drawing speed is 8 mm/second；The drawing temperature of drawing for the third time is 800 DEG C, and drawing speed is 10 mm/second；The drawing temperature of the 4th drawing is 780 DEG C, and drawing speed is 12 mm/second, and the drawing temperature of the 5th drawing is 750 DEG C, and drawing speed is 6 mm/second, obtains final rectangular steel pipe,
The preparation method of concrete is: weigh raw material (weight portion): cement 450 parts, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, 670 parts of sand, 1150 parts of stone, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part；
By Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, calcine after pyrite 2 parts mixing, calcination process: be first heated to 400 DEG C, calcine 3 hours, it is warming up to 550 DEG C afterwards, calcines 4 hours, be again warming up to 650 DEG C, calcine 2 hours, be again warming up to 800 DEG C, calcine 5 hours, furnace cooling afterwards, carries out grinding in flour mill by mixture after calcining, and rotating speed is 80r/min, grinding 3 hours, grinding compound particles granularity size is 0.4mm
Cement, grinding mixture and 200ml water are put into concrete mixer stir 10 minutes, add sand, stone and remaining water and continue stirring 3 minutes, afterwards by steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part addition, obtain concrete after stirring.
Organic coating includes: epoxy modified silicone resin 55 parts, sodium silicate 15 parts, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts.
Embodiment 4
A kind of enhancing steel pipe closed guard gate, the steel plate that described door includes outside and the organic coating being coated on steel plate outer surface and the concrete slab being wrapped in steel plate, described concrete slab includes the enhancing rectangular steel pipe of concrete and inside concrete,
Rectangular steel pipe chemical element consists of (percentage by weight): C:0.13, Al:5.3, Sn:2.2, V:1.1, Cr: 0.72, W:0.53, Ni:0.33, Zn:0.24, Zr:0.084, Ta:0.083, Mg:0.053, In:0.032, Cu:0.023, La:0.014, surplus is Fe and inevitable impurity；
The preparation method of rectangular steel pipe: comprise the following steps: according to the elementary composition dispensing of above-mentioned rectangular steel pipe, first pure iron is joined in smelting furnace, Control for Kiln Temperature is at 1440 DEG C, after pure iron melts, furnace temperature is increased to 1450 DEG C and adds ferro-aluminum intermediate alloys, after furnace temperature be increased to 1460 DEG C add stannum ferrum intermediate alloys；After furnace temperature be increased to 1470 DEG C add vanadium iron intermediate alloys；After furnace temperature be increased to 1480 DEG C add other alloying elements, rear furnace temperature is reduced to 1450 DEG C, adding refine cleanser, refine cleanser addition is the 0.4% of furnace charge amount, stirs 5 minutes, stand 10 minutes, treat that slag separates with molten metal, skim, add coverture afterwards, again skim after standing 20 minutes, afterwards above-mentioned molten metal is poured into a mould；Pouring temperature is 1420 DEG C；The ingot casting obtained carries out heat treatment: first carry out being heated to 1105 DEG C by ingot casting, heating rate 50 DEG C/h, is incubated 4 hours, carrying out Quenching Treatment afterwards, hardening media is water, after quenching, from room temperature, ingot casting is heated to 560 DEG C, heating rate 40 DEG C/h, is incubated 3 hours, after be cooled to 370 DEG C, rate of temperature fall 60 DEG C/h, is incubated 4 hours, after be again cooled to 260 DEG C, rate of temperature fall 70 DEG C/h, being incubated 2 hours, rear air cooling is to room temperature
The ingot casting of gained is heated to 1013 DEG C, Extrusion Porthole Die for Aluminium Profiles tool carries out hot extrusion and prepares original pipe,
The original pipe of gained carries out multistage annealing, is first warming up to 420 DEG C, heating rate 40 DEG C/h, is incubated 4 hours, after be warming up to 540 DEG C, heating rate 30 DEG C/h, be incubated 2 hours, after be again warming up to 760 DEG C, be incubated 2 hours, rear air cooling to room temperature,
Original pipe after annealing carries out cold rolling, obtains pipe idiosome,
By rectangle, pipe idiosome being corrected mould and plug cooperation obtains rectangular steel pipe through five drawings, the drawing temperature of drawing for the first time is 850 DEG C, and drawing speed is 6 mm/second；The drawing temperature of drawing for the second time is 820 DEG C, and drawing speed is 8 mm/second；The drawing temperature of drawing for the third time is 800 DEG C, and drawing speed is 10 mm/second；The drawing temperature of the 4th drawing is 780 DEG C, and drawing speed is 12 mm/second, and the drawing temperature of the 5th drawing is 750 DEG C, and drawing speed is 6 mm/second, obtains final rectangular steel pipe,
The preparation method of concrete is: weigh raw material (weight portion): cement 430 parts, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, 680 parts of sand, 1120 parts of stone, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part；
By Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, calcine after pyrite 2 parts mixing, calcination process: be first heated to 400 DEG C, calcine 3 hours, it is warming up to 550 DEG C afterwards, calcines 4 hours, be again warming up to 650 DEG C, calcine 2 hours, be again warming up to 800 DEG C, calcine 5 hours, furnace cooling afterwards, carries out grinding in flour mill by mixture after calcining, and rotating speed is 80r/min, grinding 3 hours, grinding compound particles granularity size is 0.4mm
Cement, grinding mixture and 200ml water are put into concrete mixer stir 10 minutes, add sand, stone and remaining water and continue stirring 3 minutes, afterwards by steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part addition, obtain concrete after stirring.
Organic coating includes: epoxy modified silicone resin 51 parts, sodium silicate 12 parts, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts.
Embodiment 5
A kind of enhancing steel pipe closed guard gate, the steel plate that described door includes outside and the organic coating being coated on steel plate outer surface and the concrete slab being wrapped in steel plate, described concrete slab includes the enhancing rectangular steel pipe of concrete and inside concrete,
Rectangular steel pipe chemical element consists of (percentage by weight): C:0.17, Al:5.7, Sn:2.8, V:1.8, Cr: 0.77, W:0.56, Ni:0.37, Zn:0.28, Zr:0.089, Ta:0.087, Mg:0.056, In:0.036, Cu:0.027, La:0.018, surplus is Fe and inevitable impurity；
The preparation method of rectangular steel pipe: comprise the following steps: according to the elementary composition dispensing of above-mentioned rectangular steel pipe, first pure iron is joined in smelting furnace, Control for Kiln Temperature is at 1440 DEG C, after pure iron melts, furnace temperature is increased to 1450 DEG C and adds ferro-aluminum intermediate alloys, after furnace temperature be increased to 1460 DEG C add stannum ferrum intermediate alloys；After furnace temperature be increased to 1470 DEG C add vanadium iron intermediate alloys；After furnace temperature be increased to 1480 DEG C add other alloying elements, rear furnace temperature is reduced to 1450 DEG C, adding refine cleanser, refine cleanser addition is the 0.4% of furnace charge amount, stirs 5 minutes, stand 10 minutes, treat that slag separates with molten metal, skim, add coverture afterwards, again skim after standing 20 minutes, afterwards above-mentioned molten metal is poured into a mould；Pouring temperature is 1420 DEG C；The ingot casting obtained carries out heat treatment: first carry out being heated to 1105 DEG C by ingot casting, heating rate 50 DEG C/h, is incubated 4 hours, carrying out Quenching Treatment afterwards, hardening media is water, after quenching, from room temperature, ingot casting is heated to 560 DEG C, heating rate 40 DEG C/h, is incubated 3 hours, after be cooled to 370 DEG C, rate of temperature fall 60 DEG C/h, is incubated 4 hours, after be again cooled to 260 DEG C, rate of temperature fall 70 DEG C/h, being incubated 2 hours, rear air cooling is to room temperature
The ingot casting of gained is heated to 1018 DEG C, Extrusion Porthole Die for Aluminium Profiles tool carries out hot extrusion and prepares original pipe,
The original pipe of gained carries out multistage annealing, is first warming up to 420 DEG C, heating rate 40 DEG C/h, is incubated 4 hours, after be warming up to 540 DEG C, heating rate 30 DEG C/h, be incubated 2 hours, after be again warming up to 760 DEG C, be incubated 2 hours, rear air cooling to room temperature,
Original pipe after annealing carries out cold rolling, obtains pipe idiosome,
By rectangle, pipe idiosome being corrected mould and plug cooperation obtains rectangular steel pipe through five drawings, the drawing temperature of drawing for the first time is 850 DEG C, and drawing speed is 6 mm/second；The drawing temperature of drawing for the second time is 820 DEG C, and drawing speed is 8 mm/second；The drawing temperature of drawing for the third time is 800 DEG C, and drawing speed is 10 mm/second；The drawing temperature of the 4th drawing is 780 DEG C, and drawing speed is 12 mm/second, and the drawing temperature of the 5th drawing is 750 DEG C, and drawing speed is 6 mm/second, obtains final rectangular steel pipe,
The preparation method of concrete is: weigh raw material (weight portion): cement 490 parts, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, 690 parts of sand, 1180 parts of stone, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part；
By Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, calcine after pyrite 2 parts mixing, calcination process: be first heated to 400 DEG C, calcine 3 hours, it is warming up to 550 DEG C afterwards, calcines 4 hours, be again warming up to 650 DEG C, calcine 2 hours, be again warming up to 800 DEG C, calcine 5 hours, furnace cooling afterwards, carries out grinding in flour mill by mixture after calcining, and rotating speed is 80r/min, grinding 3 hours, grinding compound particles granularity size is 0.4mm
Cement, grinding mixture and 200ml water are put into concrete mixer stir 10 minutes, add sand, stone and remaining water and continue stirring 3 minutes, afterwards by steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part addition, obtain concrete after stirring.
Organic coating includes: epoxy modified silicone resin 59 parts, sodium silicate 17 parts, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts.
Claims (1)
1. strengthening a steel pipe closed guard gate, the steel plate that described door includes outside and the organic coating being coated on steel plate outer surface and the concrete slab being wrapped in steel plate, described concrete slab includes the enhancing rectangular steel pipe of concrete and inside concrete,
Rectangular steel pipe percentage by weight chemical element consists of: C:0.1-0.2, Al:5-6, Sn:2-3, V:1-2, Cr: 0.7-0.8, W:0.5-0.6, Ni:0.3-0.4, Zn:0.2-0.3, Zr:0.08-0.09, Ta:0.08-0.09, Mg:0.05-0.06, In:0.03-0.04, Cu:0.02-0.03, La:0.01-0.02, surplus is Fe and inevitable impurity；
The preparation method of rectangular steel pipe: comprise the following steps: according to the elementary composition dispensing of above-mentioned rectangular steel pipe, first pure iron is joined in smelting furnace, Control for Kiln Temperature is at 1440 DEG C, after pure iron melts, furnace temperature is increased to 1450 DEG C and adds ferro-aluminum intermediate alloys, after furnace temperature be increased to 1460 DEG C add stannum ferrum intermediate alloys；After furnace temperature be increased to 1470 DEG C add vanadium iron intermediate alloys；After furnace temperature be increased to 1480 DEG C add other alloying elements, rear furnace temperature is reduced to 1450 DEG C, adding refine cleanser, refine cleanser addition is the 0.4% of furnace charge amount, stirs 5 minutes, stand 10 minutes, treat that slag separates with molten metal, skim, add coverture afterwards, again skim after standing 20 minutes, afterwards above-mentioned molten metal is poured into a mould；Pouring temperature is 1420 DEG C；The ingot casting obtained carries out heat treatment: first carry out being heated to 1105 DEG C by ingot casting, heating rate 50 DEG C/h, is incubated 4 hours, carrying out Quenching Treatment afterwards, hardening media is water, after quenching, from room temperature, ingot casting is heated to 560 DEG C, heating rate 40 DEG C/h, is incubated 3 hours, after be cooled to 370 DEG C, rate of temperature fall 60 DEG C/h, is incubated 4 hours, after be again cooled to 260 DEG C, rate of temperature fall 70 DEG C/h, being incubated 2 hours, rear air cooling is to room temperature
The ingot casting of gained is heated to 1010-1120 DEG C, Extrusion Porthole Die for Aluminium Profiles tool carries out hot extrusion and prepares original pipe,
The original pipe of gained carries out multistage annealing, is first warming up to 420 DEG C, heating rate 40 DEG C/h, is incubated 4 hours, after be warming up to 540 DEG C, heating rate 30 DEG C/h, be incubated 2 hours, after be again warming up to 760 DEG C, be incubated 2 hours, rear air cooling to room temperature,
Original pipe after annealing carries out cold rolling, obtains pipe idiosome,
By rectangle, pipe idiosome being corrected mould and plug cooperation obtains rectangular steel pipe through five drawings, the drawing temperature of drawing for the first time is 850 DEG C, and drawing speed is 6 mm/second；The drawing temperature of drawing for the second time is 820 DEG C, and drawing speed is 8 mm/second；The drawing temperature of drawing for the third time is 800 DEG C, and drawing speed is 10 mm/second；The drawing temperature of the 4th drawing is 780 DEG C, and drawing speed is 12 mm/second, and the drawing temperature of the 5th drawing is 750 DEG C, and drawing speed is 6 mm/second, obtains final rectangular steel pipe,
The preparation method of concrete is: weigh raw material: cement 400-500 part, Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, pyrite 2 parts, sand 650-700 part, stone 1100-1200 part, 300 parts of water, steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part；
By Alumen stone powder 15 parts, sepiolite powder 10 parts, 5 parts of allophane powder, zeolite powder 3 parts, calcine after pyrite 2 parts mixing, calcination process: be first heated to 400 DEG C, calcine 3 hours, it is warming up to 550 DEG C afterwards, calcines 4 hours, be again warming up to 650 DEG C, calcine 2 hours, be again warming up to 800 DEG C, calcine 5 hours, furnace cooling afterwards, carries out grinding in flour mill by mixture after calcining, and rotating speed is 80r/min, grinding 3 hours, grinding compound particles granularity size is 0.4mm
Cement, grinding mixture and 200ml water are put into concrete mixer stir 10 minutes, add sand, stone and remaining water and continue stirring 3 minutes, afterwards by steel fibre 4 parts, sulfamate high-effective water-reducing agent 3 parts, triterpene saponin 5 parts, sodium gluconate 2.5 parts, 2 parts of copper sulfate, 3 parts of sodium sulfate, potassium silicate 2.5 parts, methylcellulose 1 part addition, concrete is obtained after stirring
Organic coating includes: epoxy modified silicone resin 50-60 part, sodium silicate 10-20 part, mica powder 3 parts, ethylenediamine 3 parts, boron oxide 2 parts, zinc phosphate 1 part, Polymethacrylimide 1 part, ethanol 20 parts.
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| WO1998044825A1 (en) * | 1997-04-04 | 1998-10-15 | The Stanley Works | Metal door with continuous frame and method |
| CN2385056Y (en) * | 1998-11-08 | 2000-06-28 | 迟明凯 | High-grade double-layer steel wood and concrete safety door |
| EP1712720A1 (en) * | 2005-04-11 | 2006-10-18 | Nan Ya Plastics Corporation | Fireproof flat skinned door |
| EP2080867A1 (en) * | 2008-01-17 | 2009-07-22 | Fichet Serrurerie Batiment | Burglar-resistant door |
| CN102226371A (en) * | 2011-04-12 | 2011-10-26 | 西安交通大学 | Composite reinforced concrete protective door |
| CN102536067A (en) * | 2012-03-06 | 2012-07-04 | 清华大学 | Door body structure of steel-concrete combined protection door and manufacturing method of door body structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106468126A (en) | 2017-03-01 |
| CN105113947A (en) | 2015-12-02 |
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